package socket;

import java.io.IOException;
import java.io.InputStream;
import java.io.PrintWriter;
import java.net.ServerSocket;
import java.net.Socket;
import java.nio.charset.StandardCharsets;
import java.util.ArrayList;
import java.util.List;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;

public class Server {
    private ServerSocket serverSocket;
    private ExecutorService threadPool;
    private List<PrintWriter> allOut;
    public Server(){
        try {
            System.out.println("正在启动服务器");
            serverSocket = new ServerSocket(8088);
            threadPool = Executors.newFixedThreadPool(30);
            allOut = new ArrayList<>();
            System.out.println("启动服务器成功");
        } catch (IOException e) {
            e.printStackTrace();
        }
    }
    public void start(){
        try {
            while (true) {
                System.out.println("等待客户端连接...");
                Socket socket = serverSocket.accept();
                System.out.println("一个客户端连接了");
                ClientHandler handler = new ClientHandler(socket);
//                Thread t = new Thread(handler);
//                t.start();
                threadPool.execute(handler);
            }
        } catch (IOException e) {
            e.printStackTrace();
        }
    }

    public static void main(String[] args) {
        Server server = new Server();
        server.start();
    }
    public class ClientHandler implements Runnable{
        private Socket socket;
        public ClientHandler(Socket socket){
            this.socket = socket;
        }
        public void run(){
            try {
                InputStream in = socket.getInputStream();
                int len;
                while ((len=in.read())!=-1) {
                    byte[] data = new byte[len];
                    in.read(data);
                    String massage = new String(data, StandardCharsets.UTF_8);
                    System.out.println(massage);
                }
            } catch (IOException e) {
                e.printStackTrace();
            }
        }
    }
}
